122793690 has 32 divisors (see below), whose sum is σ = 295094016. Its totient is φ = 32701760.

The previous prime is 122793689. The next prime is 122793707. The reversal of 122793690 is 96397221.

It is a super-2 number, since 2×122793690² = 30156580607632200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25084 + ... + 29576.

It is an arithmetic number, because the mean of its divisors is an integer number (9221688).

Almost surely, 2^122793690 is an apocalyptic number.

122793690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122793690 is an abundant number, since it is smaller than the sum of its proper divisors (172300326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122793690 is a wasteful number, since it uses less digits than its factorization.

122793690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5414.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 122793690 is about 11081.2314297645. The cubic root of 122793690 is about 497.0407738465.

The spelling of 122793690 in words is "one hundred twenty-two million, seven hundred ninety-three thousand, six hundred ninety".